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# init(_:configuration:)

Creates a scene configuration object from a closure and extension configuration.

```
@MainActor @preconcurrency init<Content, Configuration>(_ content: @autoclosure @escaping @MainActor () -> Content, configuration: Configuration? = nil) where Content : AppExtensionScene, Configuration : AppExtensionConfiguration
```

## Parameters

`content`

The SwiftUI closure from which to build the scene’s content.

`configuration`

An optional extension configuration file.

## Discussion

To provide a user interface, the extension’s `configuration` must be an [`AppExtensionSceneConfiguration`](/documentation/ExtensionKit/AppExtensionSceneConfiguration),
which combines an [`AppExtensionScene`](/documentation/ExtensionKit/AppExtensionScene) with an optional non-UI
<doc://com.apple.documentation/documentation/ExtensionFoundation/AppExtensionConfiguration>.
The `configuration` value you pass manages global interprocess communications with
the host process, while the `content` value defines the extension’s user interface.

---

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